As antimicrobial resistance persistently disrupts the treatment of microbial infection, identifying novel drugs with novel modes of action is critical to getting ahead of resistance. The primary goal of this project is to extract and identify novel chemical products produced by Arthrobacter sp. TAJX1902, particularly antimicrobial metabolites. Although underexplored, Arthrobacter sps. have been shown to produce bioactive compounds of great versatility; one such is a depsipeptide with quorum-sensing inhibitory activity.1 In this research, Arthrobacter sp. TAJX1902 isolated from a soil sample showed inhibitory activity against a filamentous indicator-type bacterium and a violacein-producing Janthinobacterium sp. A. sp. TAJX1902 was cultured using rich medium broth and agar and extracted with solvents of varying polarity. Characterization of purified bioactive compounds from A. sp. TAJX1902 was done via spectroscopic techniques, including 1D and 2D-NMR spectroscopy, FTIR, and GCMS analysis. The A. sp. TAJX1902 was found to produce pyrrolo[1,2-a]pyrazine-1,4-dione,hexahydro-3-(2-methylpropyl), and five other bioactive cyclic dipeptides (CDP).
| Identifer | oai:union.ndltd.org:ETSU/oai:dc.etsu.edu:asrf-2208 |
| Date | 25 April 2023 |
| Creators | Arije, Amonah, Agbakpo, Andy, Fox, Sean James, Shilabin, Abbas |
| Publisher | Digital Commons @ East Tennessee State University |
| Source Sets | East Tennessee State University |
| Detected Language | English |
| Type | text |
| Format | application/pdf |
| Source | Appalachian Student Research Forum |
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